Atomic Physics

Muhammed Tahir & Associates

This crossword puzzle covers terms used in Chapter 21: Atomic Physics.

1
 
2                        
 
3 4                         5       6  
       
  7 8 9       10
               
    11            
12                              
                 
                 
          13      
                 
               
             
           
14                                            
           
15                          
         
       
16                            
   
17                                

Across
2.Smallest amount of energy the electron must have to escape the surface of metal.
4.Spectral lines corresponding to this process.
12.The energy that and electron or a photon gains.
14.Explains why amount of energy being radiated approaches zero.
15.Energy of a quantum = Planck's constant x __________.
16.Provides support for Einstein's photon theory of light.
17.Extended the wave-particle duality.
Down
1.Emission of electrons when light strikes a metal.
3.This physicist developed a formula for blackbody radiation.
5.Series of spectral lines.
6.Created by Werner Heisenberg.
7.Radiation observed by a hollow object with a small object.
8.The units of light energy aka photons.
9.Submicroscopic electric oscillators.
10.Theory marked by energy coming in discrete units.
11.Performed an experiment to disprove Thomson's model.
13.Proposed a model of the hydrogen atom that explains atomic spectra.